修复搜索功能：支持specification字段和yolk字段搜索，提升搜索覆盖率

pages/index/index.js

@@ -961,9 +961,11 @@ Page({
       filtered = filtered.filter(item => {
         const nameMatch = (item.name || '').toLowerCase().includes(keyword);
         const productNameMatch = (item.productName || '').toLowerCase().includes(keyword);
-        const specMatch = (item.spec || '').toLowerCase().includes(keyword);
+        const specMatch = (item.specification || item.spec || '').toLowerCase().includes(keyword);
         const regionMatch = (item.region || '').toLowerCase().includes(keyword);
-        const match = item.isAd || nameMatch || productNameMatch || specMatch || regionMatch;
+        const grossWeightMatch = (item.grossWeight || '').toLowerCase().includes(keyword);
+        const yolkMatch = (item.yolk || '').toLowerCase().includes(keyword);
+        const match = item.isAd || nameMatch || productNameMatch || specMatch || regionMatch || grossWeightMatch || yolkMatch;
         
         if (!match && originalLength <= 5) { // 只为小数据集打印详细信息
           console.log('商品未匹配:', item.name, '| name:', item.name, '| productName:', item.productName, '| spec:', item.spec, '| region:', item.region);

pages/index/index.wxml

@@ -161,9 +161,9 @@
               <view class="product-info">
                 <view class="product-title">{{item.name}}</view>
                 <view class="product-spec">{{item.specification || '无'}}<text wx:if="{{item.yolk && item.yolk !== '无'}}"> | {{item.yolk}}</text></view>
-                <view class="product-status-row">
+                <view class="product-status-row" style="width: 325rpx; display: block; box-sizing: border-box">
                   <view class="status-tag source-{{item.sourceType === '三方认证' ? 'third' : (item.sourceType === '平台货源' ? 'platform' : 'unverified')}}">{{item.sourceType || ''}}</view>
-                  <view class="status-tag negotiate-{{item.negotiateStatus === '可议价' ? 'yes' : 'no'}}">{{item.negotiateStatus}}</view>
+                  <view class="status-tag negotiate-{{item.negotiateStatus === '可议价' ? 'yes' : 'no'}}" style="width: 70rpx; display: inline-block; box-sizing: border-box">{{item.negotiateStatus}}</view>
                   <view class="status-tag item-count">库存：{{item.totalStock > 0 ? item.totalStock + '件' : '暂无'}}</view>
                 </view>
                 <view class="product-meta">